8
SYSTEM STARTUP—MODES OF OPERATION
Programmable
(Inputs 11 and 12 — N.O. or N.C. Contact)
Programmable inputs (if used) are connected to the
control panel (terminals 25 and 26 or terminals 27 and
28) as shown on the schematic that was shipped with
the door.
These inputs can be assigned various functions such as
a third set of photo eyes, an air lock activator, etc.
DC Power Supply — Photo Eyes
Connect the 24V dc power supply for the photo eyes to
the control panel as shown on the schematic that was
shipped with the door.
DC Power Supply — Auxiliary Device
Connect 24V dc power supply for an auxiliary device
(such as a motion detector) to the control panel as
shown on the schematic that was shipped with the door.
Reversing Edge
Anytime the door is closing and the reversing edge (bot-
tom edge) of the door makes contact with an object, the
door will immediately reverse direction and move to the
open position. The door will remain in the open position
until the control system is manually reset.
To ensure the reversing edge wiring has continuity, the
control system monitors a resistor installed on the pres-
sure switch located in the bottom bar. If the control sys-
tem does not detect the correct resistance, the control
system will not allow the door to close.
IMPORTANT: After control system start-up,
test the reversing edge accord-
ing to the instructions provided
in the owner’s manual that came
with the door. You must verify
that the bottom bar reversing
edge operates properly before
placing the door into service.
Timers
The control system includes three programmable close
delay timers. Each timer is assigned to a specific input
on the control panel and is set to delay closing the door
when opened by its associated activator.
Two timers (ACL1 and ACL2) can be programmed to
automatically close the door from the open position. The
third timer (ACL3) can be programmed to close the door
from the optional passage position. (The optional pas-
sage position is reserved for setting the open position of
the door to a height other than the open position.
See “PARAMETERS” on page 15 for additional informa-
tion on setting the close delay timers and the optional
passage option.
SYSTEM STARTUP
MODES OF OPERATION
Once electrical power is connected to the
control system, the fused disconnect must
be placed in the OFF position and properly
locked and tagged before the door to the
control panel can be opened.
Once the fused disconnect is placed in the
OFF position, you must wait 15 minutes for
all electricity to dissipate from the control
panel — otherwise, severe electrical shock
resulting in serious injury or even death
may occur.
The System 3 Drive and Control is configured for two
modes of operation: run mode and parameter mode.
Run Mode
Run mode includes the automatic and non-automatic
modes of operation.
AUTOMATIC MODE
If a momentary contact activator such as a push-button,
pull cord, radio control, etc., is used to activate the door:
• The door will open when the device is activated.
• A timer, internal to the control system, will start up
when the door is open.
• When the internal timer times out, the door will
automatically begin to close.
If a maintained contact activator device such as a floor
loop, motion detector, etc., is used to activate the door:
• The door will open and remain open for as long as
the device is active.
• Once the device becomes inactive, the internal
timer will start up.
• When the internal timer times out, the door will
automatically begin to close.
In the automatic mode, while the timer is running, at any
time an activator such as a floor loop or motion detector
is enabled, the timer will reset and the door will not be
allowed to close. It is only when the timer times out that
the door will begin to close. (To change the timer setting,
see “PARAMETERS” on page 15.)
In summary, in the automatic mode, an activator is used
to open the door and a timer is used to close the door.
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